Add _QUAD_HIGHWORD and _QUAD_LOWWORD for Torek's quad stuff.

sys/arch/i386/include/endian.h

@@ -31,9 +31,15 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)endian.h	7.8 (Berkeley) 4/3/91
- *	$Id: endian.h,v 1.4 1993/08/16 18:30:35 jtc Exp $
+ *	$Id: endian.h,v 1.5 1993/09/16 02:25:45 mycroft Exp $
  */
 
+/*
+ * Define the order of 32-bit words in 64-bit words.
+ */
+#define _QUAD_HIGHWORD 1
+#define _QUAD_LOWWORD 0
+
 /*
  * Definitions for byte order, according to byte significance from low
  * address to high.